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Supplementary Material Phylloscopus borealis (Arctic Warbler) European Red List of Birds Supplementary Material The European Union (EU27) Red List assessments were based principally on the official data reported by EU Member States to the European Commission under Article 12 of the Birds Directive in 2013-14. For the European Red List assessments, similar data were sourced from BirdLife Partners and other collaborating experts in other European countries and territories. For more information, see BirdLife International (2015). Contents Reported national population sizes and trends p. 2 Trend maps of reported national population data p. 3 Sources of reported national population data p. 5 Species factsheet bibliography p. 6 Recommended citation BirdLife International (2015) European Red List of Birds. Luxembourg: Office for Official Publications of the European Communities. Further information http://www.birdlife.org/datazone/info/euroredlist http://www.birdlife.org/europe-and-central-asia/european-red-list-birds-0 http://www.iucnredlist.org/initiatives/europe http://ec.europa.eu/environment/nature/conservation/species/redlist/ Data requests and feedback To request access to these data in electronic format, provide new information, correct any errors or provide feedback, please email [email protected]. THE IUCN RED LIST OF THREATENED SPECIES™ BirdLife International (2015) European Red List of Birds Phylloscopus borealis (Arctic Warbler) Table 1. Reported national breeding population size and trends in Europe1. Country (or Population estimate Short-term population trend4 Long-term population trend4 Subspecific population (where relevant) 2 territory) Size (pairs)3 Europe (%) Year(s) Quality Direction5 Magnitude (%)6 Year(s) Quality Direction5 Magnitude (%)6 Year(s) Quality Finland 500-2,000 <1 2006-2010 medium - 5-73 2000-2011 medium 0 0 1986-2011 medium Norway 15-100 <1 2000-2013 poor ? ? Russia 3,700,000-7,000,000 100 2000-2004 medium + 5-305 2000-2012 poor + 5-30 1980-2012 poor Sweden 60-130 <1 2008-2012 poor ? ? EU27 560-2,100 <1 Decreasing Europe 3,700,000-7,000,000 100 Increasing 1 See 'Sources' at end of factsheet, and for more details on individual EU Member State reports, see the Article 12 reporting portal at http://bd.eionet.europa.eu/article12/report. 2 The designation of geographical entities and the presentation of the material do not imply the expression of any opinion whatsoever on the part of IUCN or BirdLife International concerning the legal status of any country, territory or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. 3 In the few cases where population size estimates were reported in units other than those specified, they were converted to the correct units using standard correction factors. 4 The robustness of regional trends to the effects of any missing or incomplete data was tested using plausible scenarios, based on other sources of information, including any other reported information, recent national Red Lists, scientific literature, other publications and consultation with relevant experts. 5 Trend directions are reported as: increasing (+); decreasing (-); stable (0); fluctuating (F); or unknown (?). 6 Trend magnitudes are rounded to the nearest integer. THE IUCN RED LIST OF THREATENED SPECIES™ BirdLife International (2015) European Red List of Birds Trend maps A symbol appears in each country where the species occurs: the shape and colour of the symbol represent the population trend in that country, and the size of the symbol corresponds to the proportion of the European population occurring in that country. KEY Ç Large increase (≥50%) È Large decrease (≥50%) Ç Moderate increase (20–49%) È Moderate decrease (20–49%) Ç Small increase (<20%) È Small decrease (<20%) ñ Increase of unknown magnitude ò Decrease of unknown magnitude å Stable or fluctuating 0 Unknown ¢ Present (no population or trend data) Ð Extinct since 1980 Each symbol, with the exception of Present and Extinct, may occur in up to three different size classes, corresponding to the proportion of the European population occurring in that country. ñ Large: ≥10% of the European population ñ Medium: 1–9% of the European population ñ Small: <1% of the European population The designation of geographical entities and the presentation of the material do not imply the expression of any opinion whatsoever on the part of IUCN or BirdLife International concerning the legal status of any country, territory or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. THE IUCN RED LIST OF THREATENED SPECIES™ BirdLife International (2015) European Red List of Birds Figure 1. Breeding population sizes and short-term trends across Europe. Figure 2. Breeding population sizes and long-term trends across Europe. THE IUCN RED LIST OF THREATENED SPECIES™ BirdLife International (2015) European Red List of Birds Phylloscopus borealis (Arctic Warbler) Sources Finland Breeding population size: Väisänen, Risto A., Hario, Martti & Saurola, Pertti 2011: Population estimates of Finnish birds. In: Valkama, Jari, Vepsäläinen, Ville & Lehikoinen, Aleksi 2011: The Third Finnish Breeding Bird Atlas. – Finnish Museum of Natural History and Ministry of Environment. (cited [15.11.2013]) ISBN 978-952-10-7145-4. Breeding short-term trend: BirdLife Finland 2013: Regional obervation summary database of Finnish Birdwatching societies on scarce bird species. Breeding long-term trend: BirdLife Finland 2013: Regional obervation summary database of Finnish Birdwatching societies on scarce bird species. Norway Breeding population size: Shimmings P. & Øien, I.J. 2015. Bestandsestimater og trender for norske hekkefugler. NOF-rapport 2015-2. Russia Breeding population size: Ravkin E.S., Ravkin Yu.S. 2005. Birds of Northern Eurasian plains: numbers, distribution, spatial organization of communities. Novosibirsk, Nauka: 304 p. (in Russian). Breeding short-term trend: Rykova S.Yu. 2007. Dynamics of number mass species of birds of Pinega reserve. - Dynamics of the birds density in terrestrial landscapes. Proc. of the Russian scientific conference. Moscow: 75-82 (in Russian). Breeding long-term trend: Rykova S.Yu. 2007. Dynamics of number mass species of birds of Pinega reserve. - Dynamics of the birds density in terrestrial landscapes. Proc. of the Russian scientific conference. Moscow: 75-82 (in Russian). Sweden Breeding population size: Ottosson, U., Ottvall, R., Elmberg, J., Green, M., Gustafsson, R., Haas, F., Holmqvist, N., Lindström, Å., Nilsson, L., Svensson, M., Svensson, S. & Tjernberg, M. 2012. Fåglarna i Sverige - antal och förekomst. Sveriges Ornitologiska Förening, Halmstad. Breeding short-term trend: Swedish Bird Survey (Svensk Fågeltaxering), Lund University. Breeding long-term trend: Swedish Bird Survey (Svensk Fågeltaxering), Lund University. THE IUCN RED LIST OF THREATENED SPECIES™ BirdLife International (2015) European Red List of Birds Bibliography Clement, P. 2006. Arctic Warbler (Phylloscopus borealis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. and de Juana, E. (eds.) 2014. Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/58885 on 27 March 2015). Heikkinen, R.K., Luoto, M. and Virkkala, R. 2006. Does seasonal fine‐tuning of climatic variables improve the performance of bioclimatic envelope models for migratory birds?. Diversity and Distributions, 12(5): 502-510. THE IUCN RED LIST OF THREATENED SPECIES™ BIRDLIFE INTERNATIONAL (2015) EUROPEAN RED LIST OF BIRDS.
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